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參數(shù)資料
| 型號(hào)： | SA555 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | Precision Timers(精密定時(shí)器) |
| 中文描述： | 精密計(jì)時(shí)器（精密定時(shí)器） |
| 文件頁數(shù)： | 3/10頁 |
| 文件大?。?/td> | 110K |
| 代理商： | SA555 |
ELECTRICAL CHARACTERISTICS
T
amb
= +25
o
C, V
CC
= +5V to +15V (unless otherwise specified)
Symbol
Parameter
SE555
Typ.
NE555 - SA555
Min.
Typ.
Unit
Min.
Max.
Max.
I
CC
Supply Current (R
L
∞
) (- note 1)
Low State
V
CC
= +5V
V
CC
= +15V
High State
V
CC
= 5V
Timing Error (monostable)
(R
A =
2k to 100k
, C = 0.1
μ
F)
Initial Accuracy - (note 2)
Drift with Temperature
Drift with Supply Voltage
Timing Error (astable)
(R
A
, R
= 1k
to 100k
, C = 0.1
μ
F,
V
= +15V)
Initial Accuracy - (note 2)
Drift with Temperature
Drift with Supply Voltage
Control Voltage level
V
CC
= +15V
V
CC
= +5V
Threshold Voltage
V
CC
= +15V
V
CC
= +5V
Threshold Current - (note 3)
Trigger Voltage
V
CC
= +15V
V
CC
= +5V
Trigger Current (V
trig
= 0V)
Reset Voltage - (note 4)
Reset Current
V
reset
= +0.4V
V
reset
= 0V
Low Level Output Voltage
V
CC
= +15V,
I
O(sink)
= 10mA
I
O(sink)
= 50mA
I
O(sink)
= 100mA
I
O(sink)
= 200mA
V
CC
= +5V,
I
O(sink)
= 8mA
I
O(sink)
= 5mA
High Level Output Voltage
V
CC
= +15V,
I
O(source)
= 200mA
I
O(source)
= 100mA
V
CC
= +5V,
I
O(source)
= 100mA
3
10
2
5
12
3
10
2
6
15
mA
0.5
30
0.05
2
100
0.2
1
50
0.1
3
0.5
%
ppm/
°
C
%/V
1.5
90
0.15
2.25
150
0.3
%
ppm/
°
C
%/V
V
V
CL
9.6
2.9
10
3.33
10.4
3.8
9
2.6
10
3.33
11
4
V
th
9.4
2.7
10
3.33
0.1
10.6
4
0.25
8.8
2.4
10
3.33
0.1
11.2
4.2
0.25
V
I
th
V
trig
μ
A
V
4.8
1.45
5
1.67
0.5
0.7
5.2
1.9
0.9
1
4.5
1.1
5
1.67
0.5
0.7
5.6
2.2
2.0
1
I
trig
V
reset
I
reset
μ
A
V
mA
0.4
0.4
0.1
0.4
0.4
1
0.1
0.4
0.4
1.5
V
OL
0.1
0.4
2
2.5
0.1
0.05
0.15
0.5
2.2
0.25
0.2
0.1
0.4
2
2.5
0.3
0.25
0.25
0.75
2.5
0.4
0.35
V
V
OH
13
3
12.5
13.3
3.3
12.75
2.75
12.5
13.3
3.3
V
Notes :
1. Supply current when output is high is typically 1mA less.
2. Tested at V
= +5V and V
= +15V.
3. This will determine the maximum value of R
A
+ R
B
for +15V operation the max total is R = 20M
and for 5V operation
the max total R = 3.5M
.
OPERATING CONDITIONS
Symbol
V
CC
Parameter
SE555
4.5 to 18
V
CC
NE555 - SA555
4.5 to 18
V
CC
Unit
V
V
Supply Voltage
Maximum Input Voltage
V
th
, V
trig
, V
cl
, V
reset
NE555/SA555/SE555
3/10
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